Examples with RouterInfo net.i2p.data.router.RouterInfo used on opensource projects

Example 41 with RouterInfo

use of net.i2p.data.router.RouterInfo in project i2p.i2p by i2p.

the class KademliaNetworkDatabaseFacade method processStoreFailure.

/**
 *  If the validate fails, call this
 *  to determine if it was because of unsupported crypto.
 *
 *  If so, this will banlist-forever the router hash or permanently negative cache the dest hash,
 *  and then throw the exception. Otherwise it does nothing.
 *
 *  @throws UnsupportedCryptoException if that's why it failed.
 *  @since 0.9.16
 */
private void processStoreFailure(Hash h, DatabaseEntry entry) throws UnsupportedCryptoException {
    if (entry.getHash().equals(h)) {
        if (entry.getType() == DatabaseEntry.KEY_TYPE_LEASESET) {
            LeaseSet ls = (LeaseSet) entry;
            Destination d = ls.getDestination();
            Certificate c = d.getCertificate();
            if (c.getCertificateType() == Certificate.CERTIFICATE_TYPE_KEY) {
                try {
                    KeyCertificate kc = c.toKeyCertificate();
                    SigType type = kc.getSigType();
                    if (type == null || !type.isAvailable() || type.getBaseAlgorithm() == SigAlgo.RSA) {
                        failPermanently(d);
                        String stype = (type != null) ? type.toString() : Integer.toString(kc.getSigTypeCode());
                        if (_log.shouldLog(Log.WARN))
                            _log.warn("Unsupported sig type " + stype + " for destination " + h);
                        throw new UnsupportedCryptoException("Sig type " + stype);
                    }
                } catch (DataFormatException dfe) {
                }
            }
        } else if (entry.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO) {
            RouterInfo ri = (RouterInfo) entry;
            RouterIdentity id = ri.getIdentity();
            Certificate c = id.getCertificate();
            if (c.getCertificateType() == Certificate.CERTIFICATE_TYPE_KEY) {
                try {
                    KeyCertificate kc = c.toKeyCertificate();
                    SigType type = kc.getSigType();
                    if (type == null || !type.isAvailable()) {
                        String stype = (type != null) ? type.toString() : Integer.toString(kc.getSigTypeCode());
                        _context.banlist().banlistRouterForever(h, "Unsupported signature type " + stype);
                        if (_log.shouldLog(Log.WARN))
                            _log.warn("Unsupported sig type " + stype + " for router " + h);
                        throw new UnsupportedCryptoException("Sig type " + stype);
                    }
                } catch (DataFormatException dfe) {
                }
            }
        }
    }
    if (_log.shouldLog(Log.WARN))
        _log.warn("Verify fail, cause unknown: " + entry);
}

Example 42 with RouterInfo

use of net.i2p.data.router.RouterInfo in project i2p.i2p by i2p.

the class RefreshRoutersJob method runJob.

public void runJob() {
    if (_facade.isInitialized()) {
        if (_routers == null) {
            // make a list of all routers, floodfill first
            _routers = _facade.getFloodfillPeers();
            int ff = _routers.size();
            Set<Hash> all = _facade.getAllRouters();
            all.removeAll(_routers);
            int non = all.size();
            _routers.addAll(all);
            if (_log.shouldLog(Log.INFO))
                _log.info("To check: " + ff + " floodfills and " + non + " non-floodfills");
        }
        if (_routers.isEmpty()) {
            if (_log.shouldLog(Log.INFO))
                _log.info("Finished");
            return;
        }
        long expire = getContext().clock().now() - EXPIRE;
        for (Iterator<Hash> iter = _routers.iterator(); iter.hasNext(); ) {
            Hash h = iter.next();
            iter.remove();
            if (h.equals(getContext().routerHash()))
                continue;
            if (_log.shouldLog(Log.DEBUG))
                _log.debug("Checking " + h);
            RouterInfo ri = _facade.lookupRouterInfoLocally(h);
            if (ri == null)
                continue;
            if (ri.getPublished() < expire) {
                if (_log.shouldLog(Log.INFO))
                    _log.info("Refreshing " + h);
                _facade.search(h, null, null, 15 * 1000, false);
                break;
            }
        }
    }
    requeue(RERUN_DELAY_MS);
}

Example 43 with RouterInfo

use of net.i2p.data.router.RouterInfo in project i2p.i2p by i2p.

the class Router method locked_rebuildRouterInfo.

/**
 * Rebuild and republish our routerInfo since something significant
 * has changed.
 */
private void locked_rebuildRouterInfo(boolean blockingRebuild) {
    RouterInfo ri;
    if (_routerInfo != null)
        ri = new RouterInfo(_routerInfo);
    else
        ri = new RouterInfo();
    try {
        ri.setPublished(_context.clock().now());
        Properties stats = _context.statPublisher().publishStatistics();
        ri.setOptions(stats);
        // deadlock thru createAddresses() thru SSU REA... move outside lock?
        ri.setAddresses(_context.commSystem().createAddresses());
        SigningPrivateKey key = _context.keyManager().getSigningPrivateKey();
        if (key == null) {
            _log.log(Log.CRIT, "Internal error - signing private key not known? Impossible?");
            return;
        }
        ri.sign(key);
        setRouterInfo(ri);
        if (!ri.isValid())
            throw new DataFormatException("Our RouterInfo has a bad signature");
        Republish r = new Republish(_context);
        if (blockingRebuild)
            r.timeReached();
        else
            _context.simpleTimer2().addEvent(r, 0);
    } catch (DataFormatException dfe) {
        _log.log(Log.CRIT, "Internal error - unable to sign our own address?!", dfe);
    }
}

Example 44 with RouterInfo

use of net.i2p.data.router.RouterInfo in project i2p.i2p by i2p.

the class PeerTestJob method testPeer.

/**
 * Fire off the necessary jobs and messages to test the given peer
 * The message is a store of the peer's RI to itself,
 * with a reply token.
 */
private void testPeer(RouterInfo peer) {
    TunnelInfo inTunnel = getInboundTunnelId();
    if (inTunnel == null) {
        _log.warn("No tunnels to get peer test replies through!");
        return;
    }
    TunnelId inTunnelId = inTunnel.getReceiveTunnelId(0);
    RouterInfo inGateway = getContext().netDb().lookupRouterInfoLocally(inTunnel.getPeer(0));
    if (inGateway == null) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("We can't find the gateway to our inbound tunnel?! Impossible?");
        return;
    }
    int timeoutMs = getTestTimeout();
    long expiration = getContext().clock().now() + timeoutMs;
    long nonce = 1 + getContext().random().nextLong(I2NPMessage.MAX_ID_VALUE - 1);
    DatabaseStoreMessage msg = buildMessage(peer, inTunnelId, inGateway.getIdentity().getHash(), nonce, expiration);
    TunnelInfo outTunnel = getOutboundTunnelId();
    if (outTunnel == null) {
        _log.warn("No tunnels to send search out through! Something is wrong...");
        return;
    }
    TunnelId outTunnelId = outTunnel.getSendTunnelId(0);
    if (_log.shouldLog(Log.DEBUG))
        _log.debug(getJobId() + ": Sending peer test to " + peer.getIdentity().getHash().toBase64() + " out " + outTunnel + " w/ replies through " + inTunnel);
    ReplySelector sel = new ReplySelector(peer.getIdentity().getHash(), nonce, expiration);
    PeerReplyFoundJob reply = new PeerReplyFoundJob(getContext(), peer, inTunnel, outTunnel);
    PeerReplyTimeoutJob timeoutJob = new PeerReplyTimeoutJob(getContext(), peer, inTunnel, outTunnel, sel);
    getContext().messageRegistry().registerPending(sel, reply, timeoutJob);
    getContext().tunnelDispatcher().dispatchOutbound(msg, outTunnelId, null, peer.getIdentity().getHash());
}

Example 45 with RouterInfo

use of net.i2p.data.router.RouterInfo in project i2p.i2p by i2p.

the class ProfileOrganizer method selectPeersLocallyUnreachable.

/**
 * Get the peers the transport layer thinks are unreachable, and
 * add in the peers with the SSU peer testing bug,
 * and peers requiring introducers.
 */
public List<Hash> selectPeersLocallyUnreachable() {
    List<Hash> n;
    int count;
    getReadLock();
    try {
        count = _notFailingPeers.size();
        n = new ArrayList<Hash>(_notFailingPeers.keySet());
    } finally {
        releaseReadLock();
    }
    List<Hash> l = new ArrayList<Hash>(count / 4);
    for (Hash peer : n) {
        if (_context.commSystem().wasUnreachable(peer))
            l.add(peer);
        else {
            // Blacklist <= 0.6.1.32 SSU-only peers, they don't know if they are unreachable,
            // and we may not know either if they contacted us first, so assume they are.
            // Also blacklist all peers requiring SSU introducers, because either
            // a) it's slow; or
            // b) it doesn't work very often; or
            // c) in the event they are advertising NTCP, it probably won't work because
            // they probably don't have a TCP hole punched in their firewall either.
            RouterInfo info = _context.netDb().lookupRouterInfoLocally(peer);
            if (info != null) {
                String v = info.getVersion();
                // this only works if there is no 0.6.1.34!
                if ((!v.equals("0.6.1.33")) && v.startsWith("0.6.1.") && info.getTargetAddress("NTCP") == null)
                    l.add(peer);
                else {
                    RouterAddress ra = info.getTargetAddress("SSU");
                    // as long as they have NTCP
                    if (ra == null) {
                        if (info.getTargetAddress("NTCP") == null)
                            l.add(peer);
                        continue;
                    }
                    // This is the quick way of doing UDPAddress.getIntroducerCount() > 0
                    if (ra.getOption("ihost0") != null)
                        l.add(peer);
                }
            }
        }
    }
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("Unreachable: " + l);
    return l;
}